// exceptions/OnOffSwitch.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Why use finally?

public class OnOffSwitch {
  private static Switch sw = new Switch();
  public static void f()
  throws OnOffException1, OnOffException2 {}
  public static void main(String[] args) {
    try {
      sw.on();
      // Code that can throw exceptions...
      f();
      sw.off();
    } catch(OnOffException1 e) {
      System.out.println("OnOffException1");
      sw.off();
    } catch(OnOffException2 e) {
      System.out.println("OnOffException2");
      sw.off();
    }
  }
}
/* Output:
on
off
*/